A $50,000 capital gain taxed at short-term rates (ordinary income) costs up to $18,500 in federal tax for a filer in the 37% bracket. That same $50,000 gain held for 366 days qualifies for the 15% long-term rate, reducing the federal bill to $7,500 — a savings of $11,000 from simply waiting one extra day past the 12-month holding threshold. This difference is the single most impactful tax planning decision investors can make.
The 2024 long-term capital gains brackets are more generous than many realize. Single filers pay 0% on gains up to $47,025 of total taxable income, 15% between $47,026 and $518,900, and 20% above that level. A retired couple with $80,000 in taxable income (below the $94,050 married threshold) pays literally zero federal capital gains tax on long-term sales — a powerful incentive to time asset sales during low-income years.
Short-term gains stack on top of your ordinary income, potentially pushing you into a higher bracket. A W-2 employee earning $85,000 who realizes a $20,000 short-term gain sees the additional income taxed at 22–24%, producing $4,400–$4,800 in extra federal tax. The same gain held long-term would cost $3,000 at the 15% rate — saving $1,400–$1,800. The investment calculator can help you model after-tax returns under both scenarios.
*2024 federal rates; state taxes may apply additionally| Income Range (Single) | Short-Term Rate | Long-Term Rate | Savings on $50K Gain |
|---|
| Up to $47,025 | 10–12% | 0% | $5,000–$6,000 |
| $47,026–$100,525 | 22% | 15% | $3,500 |
| $100,526–$191,950 | 24% | 15% | $4,500 |
| $191,951–$518,900 | 32–35% | 15% | $8,500–$10,000 |
| Over $518,900 | 37% | 20% | $8,500 |